Your patient is a 60-year-old woman with anemia. Her hematocrit is 17%; she has been experiencing subtle gastrointestinal bleeding over many weeks. Her physician requests 4 units of RBCs for transfusion. The patient phenotypes as group AB, D-positive. Her antibody screen is negative on the sample drawn in the emergency department. Patient records indicate a previously detected anti-E. Only three group AB, D-positive RBC units are available in the blood bank’s inventory. The blood bank’s inventory contains RBC donor units of all ABO and D types. What crossmatch procedure is necessary? Why? Is any additional screening required on the donor units before crossmatching?
Your patient is a 60-year-old woman with anemia. Her hematocrit is 17%; she has been experiencing subtle gastrointestinal bleeding over many weeks. Her physician requests 4 units of RBCs for transfusion. The patient phenotypes as group AB, D-positive. Her antibody screen is negative on the sample drawn in the emergency department. Patient records indicate a previously detected anti-E. Only three group AB, D-positive RBC units are available in the blood bank’s inventory. The blood bank’s inventory contains RBC donor units of all ABO and D types. What crossmatch procedure is necessary? Why? Is any additional screening required on the donor units before crossmatching?
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Your patient is a 60-year-old woman with anemia. Her hematocrit is 17%; she has been experiencing subtle gastrointestinal bleeding over many weeks. Her physician requests 4 units of RBCs for transfusion. The patient
What crossmatch procedure is necessary? Why?
Is any additional screening required on the donor units before crossmatching?
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